The Senior Network Engineer plays a pivotal role in the innovation and maintenance of sophisticated enterprise network infrastructures. This position encompasses the design, implementation, security, and upkeep of network systems, ensuring they operate at peak performance, reliability, and scalability. The engineer will handle advanced configuration and troubleshooting of Cisco and Fortinet network and security solutions, including routers, switches, firewalls, VPNs, and wireless systems. As the technical authority on network projects, the Senior Network Engineer will mentor junior engineers and work in conjunction with various teams to enhance business continuity and spearhead digital transformation initiatives.DUTIES & RESPONSIBILITIESDesign, implement, and maintain LAN, WAN, WLAN, and data center network infrastructures leveraging Cisco and Fortinet technologies.Optimize configurations of Cisco routers, switches (Catalyst, Nexus), and Fortinet firewalls (FortiGate, FortiManager, FortiAnalyzer) for secure connectivity.Develop and enforce network segmentation, QoS, and traffic management policies to boost performance and security.Lead the planning and execution of network upgrades, migrations, and capacity expansion initiatives.Manage network security and compliance by implementing Fortinet security solutions including FortiGate, FortiAuthenticator, and FortiAnalyzer.Utilize Cisco ASA, Cisco ISE, and Cisco Umbrella security policies to align with enterprise standards.Oversee and monitor VPNs (site-to-site, SSL) to ensure secure remote connections.Conduct vulnerability assessments and engage in incident response for network-related security incidents.Monitor network performance, availability, and utilization with tools such as SolarWinds, Cisco Prime, or FortiAnalyzer.Diagnose and resolve complex network issues within established SLAs.Maintain comprehensive network documentation, topology diagrams, and configuration repositories.Provide L3-level support and act as an escalation point for intricate network problems.Collaborate with system, cloud, and cybersecurity teams for seamless integration of network systems with enterprise platforms.Engage in vendor management, procurement, and evaluation of new network technologies.Establish Standard Operating Procedures (SOPs) and network policies.Contribute to the planning of disaster recovery (DR) and business continuity network strategies.Mentor junior engineers and support staff, delivering training sessions on Cisco and Fortinet best practices and technologies.
Dec 24, 2025